The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Iron weighs more after it rusts.
16
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Pumice is the only rock that floats on water.
14
Pure water (H2O) does not conduct electricity on its own.
46